composing g stick排字盘
screw composing-stick[印刷] 螺丝排字手托
screw composing stick螺旋排字手托
steel composing stick排版用钢手托
N（名词） a metal holder of adjustable width in which a compositor sets a line of type at a time by hand; now rarely used (现罕用)排字盘 [printing]